The reactions of NH(a1.DELTA.) with ethane, propane, and isobutane in the liquid phase.

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概要

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• The photolysis of HN<SUB>3</SUB> was studied in liquid ethane, propane, and isobutane at the temperature of Dry Ice–methanol. In the reaction mixtures, quaternary ammonium salts were formed between the basic products and HN<SUB>3</SUB>. The products were analyzed after having been passed through a trap containing NaOH, in which the salts were decomposed. The main products observed were nitrogen and amines: ethylamine from ethane, propyl– and isopropylamine from propane, and <I>i</I>-butyl, and <I>t</I>-butylamine from an isobutane solution. Ammonia and hydrogen were also formed as minor products. Possible reaction mechanisms are discussed. It is suggested that about 80% of the singlet NH is inserted into the C–H bond of paraffin to form amine and that 20% of it is deactivated to the ground triplet state by the reactions with paraffin. The relative efficiencies of the insertion into primary, secondary, and tertiary C–H bonds were estimated to be 1.0, 1.9, and 2.3 respectively.

• 公益社団法人 日本化学会の論文

著者

• Sato Shin

  Department Of Chemistry School Of Science The University Of Tokyo

• Tsunashima Shigeru

  Department of Electrical Engineering and Computer Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

• Hamada Jun-ichi

  Department of Applied Physics, Tokyo Institute of Technology

• Hotta Mitsuhiro

  Department of Applied Physics, Tokyo Institute of Technology

• Tsunashima Shigeru

  Department of Applied Physics, Tokyo Institute of Technology

• Sato Shin

  Department of Applied Physics, Tokyo Institute of Technology

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